The latest Canadian Press/Harris Decima measure of voting intention reveals:

Nationally, in the latest week, the Conservatives have regained their double digit lead. The Conservatives stand at 40%, to 28% for the Liberals, 15% for the NDP, 8% for the BQ and 8% for the Greens. Over the last two weeks, the Conservatives stand at 38% to 28% for the Liberals, 16% for the NDP, 9% for the BQ, and 8% for the Greens.

In Quebec, the BQ lead has shrunk to 10 points. Here, the BQ stands at 34%, to 24% for the Conservatives, 20% for the Liberals, 11% for the NDP, and 7% for the Greens. Over the last two weeks, the BQ stands at 39%, to 21% for the Conservatives, 20% for the Liberals, 13% for the NDP, and 6% for the Greens.

The race in Ontario is neck and neck. Over the latest week, the Conservatives stand at 38%, to 37% for the Liberals, 15% for the NDP, and 8% for the Greens. Over the last two weeks, the Conservatives stand at 41%, to 36% for the Liberals, 14% for the NDP and 8% for the Greens.

The Conservatives have opened up a double digit lead in BC. Here, over the last two weeks, they stand at 38%, to 24% for the Liberals, 24% for the NDP, and 12% for the Greens.

The Conservatives are well in front on the Prairies. Over the last two weeks in Manitoba and Saskatchewan, they stand at 46%, to 23% for the NDP, 20% for the Liberals, and 10% for the Greens. In Alberta, over the same time period, they stand at 62%, to 18% for the Liberals, 11% for the NDP, and 8% for the Greens.

The Conservatives, Liberals and NDP are competitive in Atlantic Canada. Here, the Liberals stand at 37%, to 36% for the Conservatives, 21% for the NDP, and 6% for the Greens.

Each week, Harris/Decima interviews just over 1000 Canadians through teleVox, the company’s national telephone omnibus survey. The most recent data were gathered between April 7 and April 10, 2011 for 1,018 completes. A sample of the same size has a margin of error of 3.1%, 19 times out of 20. The two week data were gathered from March 31 to April 10, 2011 for 2,020 completes. A sample of the same size has a margin of error of 2.2%, 19 times out of 20.